Blockchain developer jobs

Jersey City, New Jersey

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9d ago

Qualifications / Experience Bachelor''s degree in Computer Science, Engineering, or a related discipline; MS is a plus8+ years of overall software engineering experience, with a strong backend development foundation2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration3 to 5 years of experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworksProficiency in

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Full-time

Depends on Experience

Senior Blockchain Developer

Hybrid in Dallas, Texas

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13d ago

Title: Blockchain Developer Location: Southlake - Austin is an option will be on-site 4 days per week Duration: 12 Months Contract to Hire Job Description: We are hiring a Senior Engineer, Blockchain Platforms to help build and integrate the blockchain infrastructure layer that underpins digital asset custody and tokenization platforms. Blockchain integration, core blockchain infrastructure components, wallet engineering, and custody, related blockchain workflows. The role works in close partne

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Third Party, Contract

70 - 90

Digital Assets Blockchain Java Developer - AVP

New York, New York

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Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview A Digital Assets Platform Blockchain Engineer (AVP) must be a motivated and proactive hands-on software engineer (Back End, Java Focus), with demonstrated ability and experience working with web applic

Full-time

USD 121,200.00 - 181,800.00 per year

Blockchain Developer

Woodbridge Township, New Jersey

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Today

Position: Blockchain / Protocol Engineer Location: Iselin NJ Duration: Contract Job ID: 177733 Only W2 Are you passionate about blockchain protocols, distributed systems, and applied cryptography? We are seeking a Lead Protocol Engineer to help build a cutting-edge Digital Asset Platform focused on solving one of the biggest challenges in institutional finance-delivering regulatory compliance while preserving transaction confidentiality. This role sits at the intersection of cryptography, bl

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Full-time

AI Architect (Agentic AI / RAG)

New York, New York

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24d ago

AI Architect (Agentic AI / RAG) Location: NY and NJ 12+ Years of exp Agentic AI architecture; spec-driven development; agent harness design and evaluation; multi-agent orchestration patterns; Retrieval-Augmented Reasoning; semantic enrichment and knowledge graph integration; prompt engineering; identity-as-code and policy-as-code; design-time and runtime governance; cloud platforms (AWS and Google Cloud Platform); enterprise security architecture patterns.End-to-end agentic AI architecture, desi

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Full-time, Third Party

80 - 90

Blockchain Engineer

Hybrid in New York, New York

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11d ago

Role: Blockchain Engineer Location: NY/NJ (Hybrid) Qualifications / Experience $120k/ann Bachelor''s degree in Computer Science, Engineering, or a related discipline; MS is a plus 8+ years of overall software engineering experience, with a strong backend development foundation 2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration 3 to 5 years of experience with backend development using Java/S

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Full-time

110,000 - 120,000

Senior Golang Developer

Remote

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2d ago

Senior Developer? Work Remote. Get Paid Well. Build What Matters. We connect hand-picked senior developers with vetted startups across the US and Europe no bidding wars, no ghosting, just serious opportunities. We only accept applications submitted through the link provided at the job listing. Please apply here.We're currently hiring for a research-driven AI company on a mission to slash the cost of modern AI co-designing hardware, software, algorithms, and models to make AI's benefits accessi

Contract

75000 - 199000

Software Developer - Expert

Southlake, Texas

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Today

job summary: We are hiring a Senior Engineer, Blockchain Platforms to help build and integrate the blockchain infrastructure layer that underpins Client's digital asset custody and tokenization platforms. This is a hands?on engineering role focused on Layer?1 blockchain integration, core blockchain infrastructure components, wallet engineering, and custody?related blockchain workflows. The role works in close partnership with Crypto Custody Lead Engineers and Crypto Security Engineers to ensur

Contract

USD81 - USD84

Senior Blockchain Engineer

Southlake, Texas

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Today

Job#: 3048366 Job Description: Senior Blockchain Engineer Location: Southlake, Texas Role Overview We are hiring a Senior Engineer, Blockchain Platforms to help build and integrate the blockchain infrastructure layer that underpins our organization's digital asset custody and tokenization platforms. This is a hands-on engineering role focused on Layer-1 blockchain integration, core blockchain infrastructure components, wallet engineering, and custody-related blockchain workflows. This enginee

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Full-time

$70 - $90 per hour

Senior Blockchain Engineer, Digital Assets

Hybrid in Southlake, Texas

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4d ago

Will consider remote for solid match What This Engineer Will Do: Layer1 Blockchain Integration & Platforms Integrate Client systems with existing Layer1 blockchains (e.g., Ethereumbased or other enterpriserelevant L1s).Evaluate and, where appropriate, contribute to building or extending Layer1 capabilities to meet custody, scalability, or resiliency needs.Understand chainlevel mechanics such as transaction lifecycle, finality, forks, reorgs, and event propagation.Ensure blockchain integrations

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Contract

$75 - $100

Backend Engineer, Blockchain - Vice President

New York, New York

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Today

About the Role iCapital's Distributed Ledger Technology team is looking to hire a Senior Blockchain Backend Engineer to develop an industry-wide distributed ledger solution for the alternative investment ecosystem to facilitate access to private markets investments for advisors and their high-net-worth clients using innovative technology solutions. The ideal candidate is able to understand complex business problems, scope projects, identify business opportunities, optimize workflows, and commun

Full-time

USD 150,000.00 - 200,000.00 per year

Blockchain Senior Java Engineer - Digital Assets Platform - VP

New York, New York

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Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi is seeking a passionate and skilled Digital Assets Web3 Blockchain Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a

Full-time

USD 142,320.00 - 213,480.00 per year

W2 - Need (Java Backend) with cryptocurrency / Blockchain exp -Charlotte, NC (Hybrid)

Hybrid in Charlotte, North Carolina

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Yesterday

Title: Software Engineer (Java Backend) Location: Charlotte, NC (Hybrid 3 days/week onsite) Interview Process: Virtual Internal, Karat Assessment, Virtual Client Interview Job Summary Seeking a strong backend-focused Java Engineer to develop scalable microservices and enterprise applications supporting digital asset and blockchain analytics initiatives. The ideal candidate will have deep expertise in Java, Spring Boot, microservices, and SQL, along with experience integrating complex data

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Contract, Third Party

$52 - $53

Blockchain/Web3 Java Engineer - Digital Assets Platform - VP

New York, New York

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Today

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Citi is seeking a passionate and skilled Blockchain/Web3 Java Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer

Full-time

USD 142,320.00 - 213,480.00 per year

Blockchain Incident Management Lead / Manager

Jersey City, New Jersey

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24d ago

Role:Blockchain Incident Management Lead / Manager Location: Jersey City, NJ (Onsite) Domain: Corporate & Investment Banking / Digital Assets Key Responsibilities Blockchain Incident Lifecycle: Oversee end-to-end logging, triage, and reporting of mainnet, testnet, and smart contract execution failures. Technical War Rooms: Coordinate rapid-response communication between smart contract engineers, node operators, security teams, and traditional banking infrastructure peers. Regulato

Third Party, Contract

Depends on Experience

Cyber Security Developer

Austin, Texas

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Yesterday

Job Description: We are hiring a Senior Security Engineer, Digital Asset Custody to serve as the technical authority for Crypto Custody engineering, with deep ownership of key management, custody security architecture, and risk posture across digital asset platforms. This is a handson, highimpact individual contributor role. The Lead Engineer sets technical direction, defines custody architecture, and owns critical design decisions across HSMs, MPC, key storage, policy enforcement, disaster reco

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Contract

Depends on Experience

Java Backend Developer

Raleigh, North Carolina

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2d ago

We are looking for Java Backend Developer for our client in Raleigh, NCJob Title: Java Backend Developer Job Location: Raleigh, NC Job Type: Contract Job Overview: Pay Range: $45.00hr - $50.00hr Requirement/Must Have: Java 11/17+ with Spring Boot and Microservices.Strong backend development experience.Advanced SQL and database design/performance tuning.REST APIs and integration services.Test automation using JUnit, Mockito, TestNG, Rest Assured, or Selenium.CI/CD pipeline experience.Agile develo

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Contract, Third Party

Depends on Experience

Security Engineer (Blockchain & Cryptography)

New York, New York

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Today

Security Engineer (Blockchain & Cryptography) We are seeking a highly skilled Security Engineer to help build secure, resilient software that supports next-generation digital asset and cryptographic platforms. This is a hands-on backend engineering role focused on implementing advanced cryptographic concepts into production-ready software-not a traditional cybersecurity or security operations position. You will work alongside cryptographers and software engineers to develop secure transaction p

Full-time

Software Developer - Expert

Southlake, Texas

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Today

Location: Southlake, TX Salary: $80.00 USD Hourly - $90.00 USD Hourly Description: Our client is currently seeking a Software Developer - Expert Senior Software Engineer, Blockchain Platforms Location: Southlake, TX or Austin, TX (On-site 4 days per week) Duration: 12+ Months About the job We are hiring a Senior Engineer, Blockchain Platforms to help build and integrate the blockchain infrastructure layer that underpins our digital asset custody and tokenization platforms. This is a hand

Contract

USD 80.00 - 90.00 per hour

Full Stack Engineer, Blockchain & Application Development

Raleigh, North Carolina

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Today

Job Description Full Stack Engineer, Blockchain & Application Development Location: Raleigh, NC Type: Full-time Job Summary eClerx is seeking a motivated Software Engineer to join our Application Development team's technical implementation for enterprise software and its blockchain and digital-asset infrastructure. As a Software Engineer, you'll own and deliver features end to end. You must have a strong technical foundation in full-stack engineering, including hands-on experience integrat

Full-time

USD 130,000.00 - 190,000.00 per year